<template>
  <div class="my_div">
    <img :src='arr.dogImgUrl' alt="" />
    <p :style="{backgroundColor: color}" @click="btn">{{arr.dogName}}</p>
  </div>
</template>

<script>
  export default {
    props: ['arr'],
    data() {
      return {
        color: ''
      }
    },
    methods: {
      btn() {
        this.color =
          `rgb(${Math.floor(Math.random() * 256)}, ${Math.floor(Math.random() * 256)}, ${Math.floor(Math.random() * 256)})`;
        this.$emit('xihuan', this.arr.dogName)
      }
    }
  };
</script>

<style>
  .my_div {
    width: 400px;
    border: 1px solid black;
    text-align: center;
    float: left;
  }

  .my_div img {
    width: 100%;
    height: 200px;
  }
</style>